Patentable/Patents/US-12008289
US-12008289

Methods and systems for transcription playback with variable emphasis

PublishedJune 11, 2024
Assigneenot available in USPTO data we have
Inventorsnot available in USPTO data we have
Technical Abstract

Methods and systems are provided for assisting operation of a vehicle using speech recognition and transcription using text-to-speech for transcription playback with variable emphasis. One method involves analyzing a transcription of an audio communication with respect to the vehicle to identify an operational term pertaining to a current operational context of the vehicle within the transcription, creating an indicator identifying the operational term within the transcription for emphasis when the operational term pertains to the current operational context of the vehicle, identifying a user-configured playback rate; and generating an audio reproduction of the transcription of the audio communication in accordance with the user-configured playback rate, wherein the operational term is selectively emphasized within the audio reproduction based on the indicator.

Patent Claims
13 claims

Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.

Claim 3

Original Legal Text

3. The method of claim 1, wherein generating the audio reproduction comprises selectively increasing a volume level associated with a portion of the audio reproduction corresponding to the operational term.

Plain English Translation

This invention relates to audio processing systems that enhance the intelligibility of spoken content, particularly in environments where background noise or other factors may obscure key terms. The problem addressed is the difficulty in ensuring that critical operational terms, such as commands or instructions, are clearly audible to users. The solution involves dynamically adjusting the audio reproduction to emphasize these terms. The method processes an audio signal containing spoken content, identifies operational terms within the signal, and generates an enhanced audio reproduction. The enhancement is achieved by selectively increasing the volume level of the audio segments corresponding to the operational terms. This ensures that these terms are more prominent in the output, improving clarity without distorting the overall audio. The system may also include preprocessing steps to filter noise or normalize audio levels before term identification and volume adjustment. The method can be applied in real-time or offline, depending on the application, such as voice assistants, teleconferencing, or assistive listening devices. The selective volume increase is applied only to the relevant portions of the audio, preserving the natural sound of the rest of the content. This approach enhances user comprehension without requiring manual adjustments or external hardware.

Claim 4

Original Legal Text

4. The method of claim 1, wherein generating the audio reproduction comprises selectively decreasing a words per minute associated with a portion of the audio reproduction corresponding to the operational term.

Plain English Translation

This invention relates to audio processing systems that adjust speech playback speed to enhance comprehension of specific terms. The problem addressed is the difficulty users face in understanding critical or technical terms in audio content, such as instructional materials, medical information, or legal documents, where precise comprehension is essential. The solution involves dynamically modifying the playback speed of audio content by selectively reducing the words per minute (WPM) rate for portions corresponding to predefined operational terms, while maintaining normal speed for the rest of the content. This ensures that complex or important terms are articulated more slowly, improving clarity without unnecessarily slowing the entire audio. The system identifies operational terms through predefined lists, user input, or contextual analysis, then applies a reduced WPM rate to those segments. The method may also include adjusting pitch or prosody to maintain natural-sounding speech during speed changes. This approach is particularly useful in educational, medical, and professional settings where accurate understanding of specific terminology is critical. The invention enhances accessibility and comprehension without requiring users to manually adjust playback speed or rely on text-based alternatives.

Claim 5

Original Legal Text

5. The method of claim 1, further comprising obtaining an updated operational context for the vehicle, wherein generating the audio reproduction comprises dynamically varying the emphasis associated with a portion of the audio reproduction comprising the operational term based on a relationship between the updated operational context and the current operational context at a time associated with receipt of the audio communication.

Plain English Translation

This invention relates to audio communication systems for vehicles, specifically improving the intelligibility of audio messages by dynamically adjusting emphasis based on changing operational contexts. The system monitors the vehicle's operational state, such as speed, acceleration, or environmental conditions, to determine the current context. When an audio communication is received, the system identifies operational terms within the message that relate to the vehicle's state. The system then generates an audio reproduction of the message, dynamically emphasizing these terms based on their relevance to the current and updated operational contexts. For example, if the vehicle's speed changes after receiving a message containing a speed-related term, the system may increase or decrease the emphasis on that term in the reproduced audio to enhance clarity and situational awareness. This adaptive emphasis ensures that critical information is prioritized according to real-time operational changes, improving driver comprehension and safety. The system may also adjust other audio parameters, such as volume or tone, to further enhance intelligibility. The invention is particularly useful in environments where rapid contextual shifts occur, such as emergency response or autonomous vehicle operations.

Claim 6

Original Legal Text

6. The method of claim 1, further comprising identifying the user-configured playback rate based on a position of a graphical user interface element associated with a playback rate for the audio reproduction, wherein the operational term is selectively emphasized within the audio reproduction by reducing the playback rate for a portion of the audio reproduction comprising the operational term relative to the user-configured playback rate.

Plain English Translation

This invention relates to audio playback systems that dynamically adjust playback speed to emphasize specific terms or phrases within an audio stream. The problem addressed is the difficulty of manually identifying and emphasizing important terms in audio content, which is particularly relevant in applications like language learning, accessibility tools, or professional training where certain words require special attention. The method involves a system that monitors a user-configurable playback rate for audio reproduction. A graphical user interface element, such as a slider or dial, allows the user to set a default playback speed. When an operational term—such as a keyword or phrase—is detected in the audio stream, the system automatically reduces the playback rate for the portion containing that term, relative to the user-configured rate. This ensures the term is emphasized without requiring manual intervention. The system may also restore the original playback rate after the emphasized portion to maintain the overall listening experience. This approach enhances comprehension by slowing down critical sections while preserving the user's preferred listening speed for the rest of the content. The dynamic adjustment is seamless, ensuring natural-sounding playback with selective emphasis on key terms. The invention is particularly useful in educational software, assistive technologies, and multimedia applications where precise audio control is needed.

Claim 7

Original Legal Text

7. The method of claim 1, further comprising identifying the user-configured playback rate based on historical playback behavior associated with a user.

Plain English Translation

This invention relates to adaptive media playback systems that adjust playback rates based on user behavior. The problem addressed is the inefficiency of fixed playback speeds, which may not align with individual user preferences or habits, leading to suboptimal viewing or listening experiences. The solution involves dynamically determining a user-configured playback rate by analyzing historical playback behavior associated with the user. This historical data may include past adjustments made by the user, such as manual speed changes, skipping segments, or pausing, which indicate their preferred playback tempo. By leveraging this data, the system can automatically set an optimal playback rate tailored to the user's habits, enhancing convenience and personalization. The method may also involve tracking playback behavior across multiple sessions or devices to refine the playback rate over time. This approach ensures that media content is delivered at a speed that aligns with the user's natural consumption patterns, improving engagement and satisfaction. The system may further integrate with other playback features, such as content recommendations or adaptive buffering, to provide a seamless and customized experience. The invention aims to eliminate the need for manual adjustments, making media consumption more efficient and intuitive.

Claim 8

Original Legal Text

8. The method of claim 1, wherein creating the indicator comprises creating one or more metadata tags associated with an entry for the transcription in a data storage element, wherein the one or more metadata tags indicate at least one of a position of the operational term within the transcription and the current operational context.

Plain English Translation

This invention relates to systems for managing and processing transcribed data, particularly in contexts where operational terms within transcriptions need to be tracked and contextualized. The problem addressed is the lack of structured metadata to identify and locate operational terms within transcriptions, making it difficult to retrieve or analyze them efficiently. The method involves creating metadata tags associated with a transcription entry in a data storage system. These tags provide information about the position of operational terms within the transcription and the current operational context in which those terms appear. Operational terms are specific words or phrases relevant to the system's function, such as commands, keywords, or identifiers. The metadata tags ensure that these terms can be easily located and understood within the broader transcription, improving searchability and contextual analysis. The data storage element may be a database, file system, or other structured storage solution. The metadata tags can include positional data, such as timestamps or line numbers, to pinpoint where the operational term appears in the transcription. Additionally, the tags may describe the operational context, such as the state of a system or the nature of an interaction at the time the term was recorded. This allows for more precise retrieval and interpretation of the transcribed data, enhancing automation, decision-making, and user interactions in systems relying on transcribed content.

Claim 10

Original Legal Text

10. The method of claim 9, wherein generating the audio reproduction comprises selectively increasing a volume level associated with the first portion of the speech audio output comprising the operational term relative to a second volume level associated with the second portion of the speech audio output.

Plain English Translation

This invention relates to audio processing systems for enhancing speech clarity in audio outputs, particularly in applications where certain operational terms need to be emphasized for better user comprehension. The problem addressed is the difficulty in ensuring critical information within speech audio is clearly distinguishable from surrounding content, which can lead to user confusion or missed instructions. The method involves analyzing speech audio output to identify a first portion containing an operational term and a second portion containing non-operational content. The operational term is a specific word or phrase critical to the user's understanding, such as a command, warning, or key instruction. The system then generates an audio reproduction where the volume level of the first portion (containing the operational term) is selectively increased relative to the second portion (non-operational content). This volume adjustment ensures the operational term stands out audibly, improving clarity without altering the natural speech flow. The method may also include pre-processing steps like noise reduction or speech recognition to accurately isolate the operational term. The system dynamically adjusts volume levels based on predefined criteria, such as term importance or user preferences, to optimize intelligibility. This approach is useful in applications like voice assistants, navigation systems, or assistive technologies where clear communication of critical information is essential.

Claim 11

Original Legal Text

11. The method of claim 1, wherein generating the audio reproduction comprises deemphasizing the operational term within the audio reproduction based on the indicator by generating a portion of the audio reproduction comprising the operational term with the user-configured playback rate when an updated operational context for the vehicle does not match the current operational context at a time associated with the audio communication.

Plain English Translation

This invention relates to audio communication systems for vehicles, specifically improving the clarity and relevance of audio messages by dynamically adjusting playback based on vehicle operational context. The problem addressed is ensuring that operational terms in audio communications remain intelligible and contextually appropriate as vehicle conditions change during playback. The method involves generating an audio reproduction of a communication, where the communication includes an operational term related to vehicle operation (e.g., speed, gear, or system status). The system monitors the vehicle's operational context (e.g., current speed, gear, or system state) and compares it to the context at the time the communication was received. If the operational context changes during playback, the system deemphasizes the operational term by adjusting its playback rate to a user-configured setting. This ensures the term remains audible but does not mislead the user with outdated information. The system may also modify other audio characteristics, such as volume or pitch, to further deemphasize the term. The method applies to real-time or delayed audio communications, ensuring consistent and contextually accurate playback.

Claim 13

Original Legal Text

13. The computer-readable medium of claim 12, wherein the computer-executable instructions cause the processing system to selectively increase a volume level associated with a portion of the audio reproduction including the operational term.

Plain English Translation

This invention relates to audio processing systems that enhance the intelligibility of spoken content by selectively increasing the volume of specific terms within an audio stream. The technology addresses the challenge of improving speech clarity in noisy environments or for users with hearing impairments by dynamically adjusting audio levels for key operational terms, such as commands or critical information, while maintaining natural sound quality for the rest of the audio. The system processes an audio input to identify and isolate operational terms, which are predefined words or phrases relevant to the application, such as voice commands or important keywords. Upon detection, the system selectively amplifies the volume of these terms while preserving the original volume levels for surrounding audio content. This selective amplification ensures that critical information stands out without distorting the overall audio experience. The invention may be implemented in various applications, including voice-controlled devices, assistive listening systems, and multimedia playback, where enhancing the audibility of specific terms improves user interaction and comprehension. The system dynamically adjusts volume levels in real-time, ensuring seamless integration with existing audio processing pipelines. By focusing on operational terms, the technology provides a targeted solution for improving speech intelligibility without excessive amplification of background noise or non-critical content.

Claim 14

Original Legal Text

14. The computer-readable medium of claim 12, wherein the computer-executable instructions cause the processing system to generate the audio reproduction of the transcription of the audio communication in accordance with the user-configured playback rate by converting the transcription of the audio communication into speech having a first words per minute corresponding to the user-configured playback rate, wherein the operational term is selectively emphasized by converting the operational term into speech using a second words per minute that is less than the first words per minute.

Plain English Translation

This invention relates to audio communication systems that transcribe and reproduce audio content at adjustable playback rates while selectively emphasizing specific terms. The problem addressed is the need to maintain clarity and comprehension when audio content is played back at faster-than-normal speeds, particularly for terms that require special attention. The system converts a transcribed audio communication into speech at a user-selected playback rate, measured in words per minute (WPM). To enhance comprehension, operational terms within the transcription are selectively emphasized by reducing their playback speed to a lower WPM than the rest of the content. This ensures that critical terms are clearly articulated while the overall playback remains efficient. The invention improves upon existing audio playback systems by dynamically adjusting speech rates based on content importance, making it particularly useful in applications like transcription services, language learning, or professional communication where certain terms may require heightened focus. The system processes the transcription to identify operational terms, then applies differential speed adjustments during speech synthesis to achieve the desired emphasis. This approach balances speed and clarity, addressing the challenge of maintaining intelligibility at accelerated playback rates.

Claim 15

Original Legal Text

15. The computer-readable medium of claim 12, wherein the indicator comprises one or more metadata tags associated with an entry for the transcription in a data storage element, wherein the one or more metadata tags indicate at least one of a position of the operational term within the transcription and the current operational context at a time associated with the audio communication.

Plain English Translation

This invention relates to systems for processing audio communications, particularly for generating and managing transcriptions with contextual metadata. The problem addressed is the lack of contextual information in transcriptions, making it difficult to understand the meaning or relevance of specific terms within the audio communication. The invention involves a computer-readable medium storing instructions for processing audio communications. When executed, the instructions cause a computing device to generate a transcription of an audio communication and associate metadata tags with entries in the data storage element containing the transcription. These metadata tags provide contextual information about the transcription. Specifically, the tags indicate the position of operational terms within the transcription and the operational context at the time the audio communication occurred. Operational terms are terms that have specific meanings or functions within the context of the communication, such as commands, keywords, or other significant phrases. The operational context refers to the circumstances or conditions under which the audio communication took place, such as the user's intent, the environment, or the state of a system being interacted with. By embedding these metadata tags, the system enhances the usability of the transcription by providing additional context that improves searchability, analysis, and interpretation of the transcribed content. This allows users or downstream systems to better understand the meaning and relevance of the transcribed terms.

Claim 16

Original Legal Text

16. The computer-readable medium of claim 12, wherein the computer-executable instructions cause the processing system to deemphasize the operational term within the audio reproduction when an updated operational context for the vehicle does not match the current operational context at a time associated with the audio communication.

Plain English Translation

This invention relates to audio processing systems for vehicles, specifically improving the clarity of audio communications by dynamically adjusting the emphasis of operational terms based on the vehicle's operational context. The problem addressed is the difficulty in understanding audio communications when operational terms (e.g., "brake," "accelerate") are used in rapidly changing vehicle contexts, leading to potential misinterpretation or confusion. The system monitors the vehicle's operational context, such as speed, acceleration, braking, or other dynamic states, and compares it to the context implied by operational terms in an audio communication. If the current operational context does not match the context implied by the term (e.g., the term "brake" is used when the vehicle is accelerating), the system deemphasizes the term in the audio reproduction. This adjustment ensures that outdated or mismatched operational terms do not mislead the listener, improving situational awareness and safety. The system may use real-time sensor data to track the vehicle's state and apply signal processing techniques to modify the audio output. The deemphasis can involve reducing volume, altering pitch, or applying filtering to make the term less prominent. This dynamic adjustment helps maintain accurate communication in high-stress or rapidly changing environments, such as emergency response or military operations. The invention enhances audio clarity by ensuring that operational terms align with the current vehicle state, reducing the risk of miscommunication.

Claim 18

Original Legal Text

18. The method of claim 1, further comprising dynamically adjusting the user-configured playback rate based on the current operational context.

Plain English Translation

This invention relates to adaptive media playback systems that adjust playback rates based on real-time operational context. The core technology addresses the problem of fixed playback speeds in media consumption, which can be inefficient or inappropriate for varying user needs, environmental conditions, or device capabilities. The system dynamically modifies playback rates in real-time to optimize user experience, accessibility, or resource utilization. The method involves monitoring multiple contextual factors, such as user activity, device performance metrics, network conditions, or environmental variables. These inputs are processed to determine an optimal playback rate adjustment. For example, if a user is multitasking, the system may slow playback to improve comprehension, while high network latency might trigger a reduction in streaming bitrate. The adjustments are applied without manual intervention, ensuring seamless adaptation to changing conditions. The invention also includes mechanisms to learn user preferences over time, refining adjustments based on historical behavior. This ensures personalized optimization while maintaining flexibility for new scenarios. The system may also incorporate user feedback loops to validate and improve dynamic adjustments. The overall goal is to create a more responsive and efficient media playback experience that adapts to real-world usage patterns.

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Patent Metadata

Filing Date

August 27, 2021

Publication Date

June 11, 2024

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